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The capacitance of a parallel plate capacitor is directly proportional to which

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Question: The capacitance of a parallel plate capacitor is directly proportional to which of the following? (2019)

Options:

  1. Distance between plates
  2. Area of plates
  3. Voltage across plates
  4. Dielectric constant

Correct Answer: Area of plates

Exam Year: 2019

Solution:

Capacitance (C) is directly proportional to the area of the plates (A) and the dielectric constant (ε) and inversely proportional to the distance (d) between the plates.

The capacitance of a parallel plate capacitor is directly proportional to which

Practice Questions

Q1
The capacitance of a parallel plate capacitor is directly proportional to which of the following? (2019)
  1. Distance between plates
  2. Area of plates
  3. Voltage across plates
  4. Dielectric constant

Questions & Step-by-Step Solutions

The capacitance of a parallel plate capacitor is directly proportional to which of the following? (2019)
  • Step 1: Understand what capacitance (C) means. It is a measure of a capacitor's ability to store charge.
  • Step 2: Know that a parallel plate capacitor has two flat plates that can hold electric charge.
  • Step 3: Learn that the capacitance (C) depends on three main factors: the area of the plates (A), the distance between the plates (d), and the dielectric constant (ε) of the material between the plates.
  • Step 4: Remember that capacitance is directly proportional to the area of the plates (A). This means that if the area increases, capacitance increases.
  • Step 5: Also remember that capacitance is directly proportional to the dielectric constant (ε). A higher dielectric constant means higher capacitance.
  • Step 6: Finally, understand that capacitance is inversely proportional to the distance (d) between the plates. If the distance increases, capacitance decreases.
  • Capacitance – Capacitance is a measure of a capacitor's ability to store charge, which depends on the physical characteristics of the capacitor.
  • Area of Plates – The larger the area of the plates, the greater the capacitance, as more charge can be stored.
  • Dielectric Constant – The dielectric constant of the material between the plates affects capacitance; higher values increase capacitance.
  • Distance Between Plates – Capacitance is inversely proportional to the distance between the plates; increasing distance decreases capacitance.
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